Meanwhile, Trump on Saturday commented on the Fox News story about a “very senior, very well known” US intelligence official who was allegedly involved in unmasking the names of Trump associates, and who had reprotedly surveilled Trump before the nomination.

“Wow, @FoxNews just reporting big news. Source: ‘Official behind unmasking is high up. Known Intel official is responsible. Some unmasked not associated with Russia. Trump team spied on before he was nominated. If this is true, does not get much bigger. Would be sad for U.S..”

Wow, @FoxNews just reporting big news. Source: "Official behind unmasking is high up. Known Intel official is responsible. Some unmasked….